accumulation.

A gathering or buildup of things or effects over time.

Use it for

Words that belong together

• accumulation of evidence
• gradual accumulation

On the page

The accumulation of evidence changed the inquiry's direction.

Usage notes

Primary category: academic / formal. Forms: Countable or uncountable by context; countable singular accumulation; plural accumulations. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: analysis, explanation, evaluation. Commonness: moderately common.